China manufacturer Square Shaft Helical Piers for Ground Foundation Helical Piles stepper motor with screw shaft

Product Description

Square bar shaft helical piles 

Product Description


  • Square CHINAMFG Bar Helical pile also called Square CHINAMFG Bar PilingSquare Bar Helical AnchorSquare Shaft Helical piles etc.

  • Bar Material: ASTM 5140 or ASTM 1045 steel, round corner 5mm radius

  • Helix Plate material conforms to ASTM  A36 hot rolled plate

  • Helix thickness are available in 3/8″ and 1/2″

  • All helix leading edges sharpened and rock cut and 45 degrees

  • Corrosion protection to conform to ASTM A123 standard for Hot-Dipped Galvanized

  • A better conventional solid steel with extra-high strength

  • Avoid heat damage on shaft caused by upset coulping process


    Lead Length (ft)

    Helix Size (inch)

    Extension Length(ft)













    Detailed Photos

    Packaging & Shipping

    Company Profile

    Who We Are

    Better Screw Co. is the leading OEM supplier in the helical pile and foundation repair industry. We are 1 subsidiary corporation of BG Corp. BG Corp has several different brands focus on different fields such as foundation and construction products, traffic safety products, CNC Equipment and investment business.


    What We Do

    We OEM helical pile and related products. We don’t design products, we make them according to the size and design that our customer nominated. We supply same even better quality, but much competitive price, this is what we do.


    Our Feature

    The most professional helical pile OEM manufacturer.

    The largest oversea helical pile supplier for the USA and Canada market.

    The most experienced foundation bracket and helical tieback manufacturer of Asia.

    The largest exporter in helical pile industry. We exported millions of quality products for the clients from the USA, Canada, Australia, New Zealand, Europe, Asia and all over the world.

    As an OEM company, we made all kinds of different helical piles from round to square shaft, from 1 helix to several, from small to large diameter, from bare steel to galvanized and paint finish. We provided services for customers from America to Europe, from Asia to Middle East. Our clients cover foundation repair, new construction, solar, deck, dock, traffic safety, pipeline, garages, agriculture and industrial markets.


    Our Mission

    Better price. Better quality. Better service.

    We can take charge of the whole process from producing to shipping the products directly to your company. Even if you never imported, please don’t worry. Our shipping agent in your country can deal with the customs clearance and inland transportation issues for you. You just need to stay in your warehouse to check our products, it’s so simple!

    Please feel free to contact us if you want to lower your cost and become more competitive. We will inject new energy to make your company be more aggressive.


    1. What specifications of helical piles can you make?

    We can make helical piles and related accessories of any specifications required for your project. Just tell us the size and material you need and we will produce according to your requirements. You design, we make, that’s our business.

    2. Do your products meet our local standards and fully meet our needs?

    Of course, because we are engaged in OEM business, which means we produce according to customer’s specified standards, dimensions, and materials, For example, for North American customers, we typically produce according to ASTM A500 Grade B and ASTM A 500 Grade C material standards and ASTM A 123 hot-dip galvanizing standards. For European customers, we usually adhere to European EB 287 welding standards. The product standards and design are the same as your local standards, with the main difference being that our costs are more competitive.
    3. What’s the MOQ?

    Our customers generally use 20 or 40-foot containers for transportation. The loading capacity of the container depends on the shape, length and weight of the product. You can provide us with the specific specifications and let us help you to calculate it.

    4. How about your lead time?
    Usually, the production time for 1 container is about 6 to 8 weeks. If you order many containers 1 time, our production time for the first container load is about 6~8 weeks, and the rest containers can be finished every 7~10 days apart. And the shipping time depends on your place of delivery.

    5. What is your payment term?

    Our payment term is the same as the most popular way of international trade, which is T/T. We can receive the payment 1-3 days after you made payment.



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After-sales Service: 50 Years
Warranty: 50 Years
Product Name: Square Bar Shaft Helical Pile
Bar Material: 40cr or 45# Steel
Helix Plate Material: Conforms to ASTM A36
Helices Thickness: 3/8" and 1/2"
US$ 100/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

screw jack

What role do screw jacks play in the precision of assembly line operations?

Screw jacks play a crucial role in ensuring the precision of assembly line operations. They are widely used in manufacturing and assembly processes where accurate positioning, alignment, and control are essential. Here’s how screw jacks contribute to the precision of assembly line operations:

  • Precise Positioning: Screw jacks provide precise and controlled linear motion, allowing for accurate positioning of components, parts, or tools on the assembly line. The screw mechanism of the screw jack enables fine adjustments with high positional accuracy, ensuring that each component is correctly placed and aligned according to the required specifications.
  • Height Adjustment: Screw jacks are commonly used for height adjustment applications in assembly lines. They allow for easy and precise vertical movement, enabling operators to align workstations, fixtures, or equipment at the optimal height for efficient assembly operations. The ability to fine-tune the height with screw jacks ensures ergonomic working conditions and promotes worker comfort and productivity.
  • Load Handling: Screw jacks have the capability to handle a wide range of loads, from light to heavy. This makes them suitable for assembly line operations that involve different types of components or equipment with varying weights. By providing reliable load support and stability, screw jacks contribute to the precision of assembly line operations by ensuring that the load is properly supported and aligned during the assembly process.
  • Force Control: Screw jacks offer precise force control capabilities, allowing operators to apply consistent and controlled forces during assembly operations. This is particularly important for tasks that require delicate handling or specific force requirements, such as tightening bolts, fastening components, or applying pressure for proper fitment. The force control provided by screw jacks helps maintain the required precision and avoids overloading or damaging the assembly components.
  • Synchronization: In assembly line operations that involve multiple workstations or moving parts, screw jacks can be synchronized to ensure coordinated movement. By mechanically or electrically linking the screw jacks together, they canscrew jack

    Can you provide real-world examples of machinery or structures that use screw jacks?

    Yes, screw jacks are commonly used in various machinery and structures for lifting, lowering, and positioning applications. Here are some real-world examples of machinery and structures that utilize screw jacks:

    • Industrial Machinery: Screw jacks are widely used in industrial machinery and equipment. They are employed in material handling systems, assembly lines, packaging machines, and conveyors to lift or lower components, adjust working heights, or provide precise positioning. Screw jacks are also used in presses, injection molding machines, and die-casting equipment to apply controlled force or pressure.
    • Construction and Infrastructure: In the construction industry, screw jacks are used in various applications. They are utilized in formwork systems to support and adjust the height of concrete molds during construction. Screw jacks are also employed in scaffolding systems to provide stability and height adjustment. In addition, they are utilized in bridge construction and maintenance to lift and position heavy components or to create temporary supports.
    • Aerospace and Defense: Screw jacks find application in aerospace and defense industries. They are used in aircraft maintenance and assembly for tasks such as raising or lowering landing gear, adjusting wing flaps, or positioning aircraft components. Screw jacks are also utilized in missile launch systems, satellite deployment mechanisms, and radar systems.
    • Automotive and Transportation: Screw jacks play a role in the automotive and transportation sectors. They are used in vehicle lifting systems, such as car lifts or hydraulic ramps, for maintenance and repair operations. Screw jacks are also employed in adjustable-height truck trailers, lifting platforms for disabled access vehicles, and loading dock levelers.
    • Stage and Entertainment: In the stage and entertainment industry, screw jacks are utilized for stage rigging and set construction. They are employed to lift and position lighting fixtures, sound equipment, and scenery elements. Screw jacks provide precise control over the elevation and alignment of stage components, facilitating dynamic performances and efficient setup.
    • Medical and Rehabilitation: Screw jacks find application in medical and rehabilitation equipment. They are used in patient lifts and adjustable hospital beds to facilitate safe patient transfers and positioning. Screw jacks also play a role in rehabilitation equipment, such as lifting platforms for physical therapy or adjustable exercise machines.

    These are just a few examples of the many applications of screw jacks in various industries. The versatility, reliability, and precise control offered by screw jacks make them suitable for a wide range of machinery and structures where lifting, lowering, or positioning operations are required.

    screw jack

    Can you explain the basic principle behind the operation of a screw jack?

    The basic principle behind the operation of a screw jack is the conversion of rotational motion into linear motion. A screw jack consists of a threaded shaft, known as the screw, and a nut that engages with the screw’s threads. When the screw is rotated, it moves the nut linearly along its threads, resulting in linear displacement. Here are some key points regarding the basic principle of operation for a screw jack:

    • Rotational Motion: The operation of a screw jack begins with the application of rotational motion to the screw. This can be achieved through various means, such as manually turning a handle, using an electric motor, or employing hydraulic or pneumatic systems. The rotational motion is typically applied to the top end of the screw.
    • Threaded Shaft: The screw in a screw jack is a threaded shaft with helical grooves running along its length. The threads can be either square or trapezoidal in shape. The pitch of the screw refers to the distance traveled along the screw’s axis for each complete revolution. The pitch determines the linear displacement achieved per rotation.
    • Nut Engagement: The nut is a component that engages with the screw’s threads. It is typically a cylindrical or rectangular block with a threaded hole that matches the screw’s threads. The nut is free to move linearly along the screw’s length when the screw is rotated.
    • Linear Motion: As the screw is rotated, the nut moves along the screw’s threads, causing linear displacement. The direction and magnitude of the displacement depend on the rotational direction and the pitch of the screw. Clockwise rotation typically results in upward linear displacement, while counterclockwise rotation leads to downward displacement.
    • Mechanical Advantage: One of the advantages of a screw jack is its ability to provide a mechanical advantage. The pitch of the screw determines the distance traveled per revolution. By increasing the pitch or using multiple-start threads, the linear displacement achieved per rotation can be increased, allowing for the lifting or lowering of heavier loads with relatively less rotational effort.
    • Self-Locking: The friction between the screw and the nut helps to maintain the position of the load once the rotational force is removed. This self-locking characteristic of screw jacks allows them to hold loads in position without requiring continuous power or external braking mechanisms.

    In summary, the basic principle behind the operation of a screw jack involves the conversion of rotational motion into linear motion. By rotating the screw, the nut moves along the screw’s threads, resulting in linear displacement. The pitch of the screw determines the distance traveled per revolution, and the self-locking nature of the screw and nut interface helps maintain the position of the load.

    China manufacturer Square Shaft Helical Piers for Ground Foundation Helical Piles   stepper motor with screw shaftChina manufacturer Square Shaft Helical Piers for Ground Foundation Helical Piles   stepper motor with screw shaft
    editor by Dream 2024-05-15

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Ep Screw Jack Co., Ltd.

Mail: [email protected]

As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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